A ..............................
iron, lead, gold, aluminum, platinum, uranium, zinc, lithium, sodium, tin, silver, etc
Density is mass divided by volume. Therefore, volume is mass divided by density.

Answer:
1 makes the most sense
Explanation:
There is no way blood pressure will be decreased especially if your ventricles are erratically contracting for a long period of time. So 3 and 4 are out. And you said number 2 is wrong so my finally answer is 1.